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Finding the Fourth Proportional to 79,526.80, 109,749.48 and 45,535.44

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Solution

The fourth proportional to 79,526.80, 109,749.48 and 45,535.44 is: 62,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,526.80 : 109,749.48 = 45,535.44 : x
  2. Step 2: Convert to fraction form
    79,526.80/109,749.48 = 45,535.44/x
  3. Step 3: Cross multiply
    79,526.80x = 109,749.48 × 45,535.44
  4. Step 4: Simplify right side
    79,526.80x = 4,997,490,861.57
  5. Step 5: Solve for x
    x = 4,997,490,861.57/79,526.80
  6. Step 6: Final answer
    x = 62,840.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.